نتایج جستجو برای: streptococcus viridans
تعداد نتایج: 41639 فیلتر نتایج به سال:
INTRODUCTION AND OBJECTIVES Published case series on Streptococcus viridans endocarditis are scarce and outdated. The aims of our study were multiple: to analyze the profile of the Streptococcus viridans endocarditis, to compare it with other types of left-sided endocarditis and with cases caused by Staphylococcus aureus, and to determine predictors of poor outcome in Streptococcus viridans end...
statement of problem: streptococcus viridans is one of the most important micro-organisms in the establishment of infections leading to dental caries and heart valve damages. therefore the diagnosis and prevention of these infections is critical in health care. purpose: the aim of this in-vivo study was to determine the prevalence of viridans streptococci in abscesses occurring in the maxillofa...
The prevalence and role of viridans group streptococci in the female genital tract have not been well described. In this study of 482 pregnant women, 147 (30%) were culture positive for viridans group streptococci. Of 392 women with predominant Lactobacillus morphotypes by Gram stain (normal), 110 (28%) were colonized with viridans group streptococci, compared with 37 (41%) of 90 women with bac...
Vertebral osteomyelitis is an uncommon complication of infective endocarditis with the organism Streptococcus viridans being a rare cause of the condition. This case highlights an unusual presentation of Streptococcus viridans associated with infective endocarditis and pyogenic osteomyelitis in a patient following a dental procedure.
1. During the Spring of 1928, 29 patients with acute rheumatic fever were subjected to blood cultures, of whom 9, or 31 per cent, yielded a streptococcus. During the Spring of 1929, 31 patients with acute rheumatic fever were studied by blood cultures, of whom 26, or 83.9 per cent, yielded a streptococcus. The higher percentage of positive cultures in the 1929 series appears to have been due to...
BACKGROUND Population analysis of viridans streptococci is important because these species are associated with dental caries, bacteremia, and subacute endocarditis, in addition to being important members of the human oral commensal microbiota. DESIGN In this study, we phylogenetically analyzed the rod shape-determining protein gene (rodA), which is associated with cellular morphology, cell di...
Streptococcus viridans is usually considered to be nonpathogenic in healthy patients. Some strains become penicillin-resistant and cause life-threatening infections in immuno-compromised patients. We report an immunocompetent boy who had community-acquired S. viridans pneumonia that was resistant to penicillin. Clinicians should note local patterns of virulence and antibiotic resistance in S. v...
Background: Pneumonia is one of the most important causes of death worldwide and its accurate diagnosis is extremely important. Typically, Viridans Streptococci are not the cause of pneumonia, but in patients with an underlying illness, they can be problematic. Also, due to contamination with the microbial flora of the upper respiratory tract, they may be isolates from a pure culture, which mak...
Methods The susceptibility testing was carried out by unified protocol of Kirby-Bauer method (KB) were Streptococcus pneumonia (1699), b-hemolytic streptococci(1428) including GAS (756), GBS (451), GCS (34), GGS (140), and GFS (31) none classified (16), and Viridans streptococc group excluded S. pneumonia isolated from sterile parts (280). The susceptibility testing was assayed by Penicillin E-...
Gluteal artery aneurysms are uncommon among all aneurysms and are usually a result of trauma. Streptococcus viridans bacteremia has been described in rare cases of extracranial mycotic aneurysms. Despite a variable clinical presentation, mycotic aneurysms of the superior gluteal artery could be the cause in patients with unexplained sciatica pain. Here we report a very rare case of spontaneous ...
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